// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

const db = cloud.database()

//获取所有科（包含其属类型）类型数据

// 云函数入口函数
exports.main = async (event, context) => {
    const wxContext = cloud.getWXContext()

    return await db.collection('plantsTypeKe').aggregate()
    .lookup({
        from: 'plantsTypeShu',
        localField: '_id',
        foreignField: 'plantsTypeKe',
        as: 'item',
    }).limit(100)
    .end()
}